package com.xgggh.redpack.ui.login;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.content.Intent;
import android.content.pm.PackageManager;

import android.app.LoaderManager.LoaderCallbacks;

import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;

import android.os.Build;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;
import androidx.lifecycle.ViewModelProviders;

import java.util.ArrayList;
import java.util.List;

import com.f2prateek.rx.preferences2.RxSharedPreferences;
import com.google.android.material.snackbar.Snackbar;
import com.uber.autodispose.AutoDispose;
import com.uber.autodispose.android.lifecycle.AndroidLifecycleScopeProvider;
import com.xgggh.redpack.R;
import com.xgggh.redpack.base.ui.BaseActivity;
import com.xgggh.redpack.databinding.ActivityLoginBinding;
import com.xgggh.redpack.domain.auth.Auth;
import com.xgggh.redpack.domain.auth.AuthBinding;
import com.xgggh.redpack.domain.auth.AuthReq;
import com.xgggh.redpack.ui.home.NavHomeActivity;
import com.xgggh.redpack.utils.AuthManager;

import javax.inject.Inject;

import dagger.android.AndroidInjection;
import io.reactivex.subscribers.DisposableSubscriber;
import model.Loading;
import model.Rsp;
import model.Status;
import viewmodel.OauthViewModel;
import viewmodel.RedPackViewModel;
import viewmodel.ViewModelFactory;

import static android.Manifest.permission.READ_CONTACTS;

/**
 * A login screen that offers login via email/password.
 */
public class LoginActivity extends BaseActivity {

    /**
     * Id to identity READ_CONTACTS permission request.
     */
    private static final int REQUEST_READ_CONTACTS = 0;
    ActivityLoginBinding mBinding;
    @Inject
    ViewModelFactory factory;
    OauthViewModel model;
    @Inject
    RxSharedPreferences sharedPreferences;
    @Inject
    Auth auth;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        AndroidInjection.inject(this);
        super.onCreate(savedInstanceState);
       // getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
        mBinding= DataBindingUtil.setContentView(this,R.layout.activity_login);
        model= ViewModelProviders.of(this,factory).get(OauthViewModel.class);

        AuthBinding binding = new AuthBinding();
        mBinding.setAuth(binding);
        mBinding.setLoad(new Loading());
        setSupportActionBar(mBinding.toolbar.toolbar);
        // Set up the login form.
        populateAutoComplete();
        mBinding.contentLogin.twinklingRefreshLayout.setPureScrollModeOn();

        //Blurry.with(this).radius(25).sampling(2).onto(mBinding.contentLoginItem.burl);

        mBinding.contentLogin.password.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) {
                if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) {
                    attemptLogin();
                    return true;
                }
                return false;
            }
        });

        mBinding.contentLogin.emailSignInButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                attemptLogin();
            }
        });
        mBinding.contentLogin.userName.setSelection(mBinding.contentLogin.userName.getText().toString().length());
    }

    private void login(){
        String scope=new String("read write");
        String grantType="password";
        AuthReq req =new AuthReq(mBinding.getAuth().getUserName(),mBinding.getAuth().getPassword());
        mBinding.getLoad().setStatus(Loading.LOADING);
        model.token(req)
                .as(AutoDispose.autoDisposable(AndroidLifecycleScopeProvider.from(this)))
                .subscribe(new DisposableSubscriber<Rsp<Auth>>() {
            @Override
            public void onNext(Rsp<Auth> authRsp) {
                if (authRsp.getStatus()== Status.OK){
                    AuthManager.saveAuth(sharedPreferences,authRsp.getData());
                    startActivity(new Intent(LoginActivity.this, NavHomeActivity.class));
                    finish();
                }else{
                    Snackbar.make(getWindow().getDecorView(),authRsp.getMsg(),Snackbar.LENGTH_LONG).show();
                    //new SnapHelper().attachToRecyclerView();
                }
            }

            @Override
            public void onError(Throwable t) {
                    t.printStackTrace();
            }

            @Override
            public void onComplete() {
                mBinding.getLoad().setStatus(Loading.FINISH);
            }
        });
    }

    private void populateAutoComplete() {
        /*if (!mayRequestContacts()) {
            return;
        }*/
    }

   /* private boolean mayRequestContacts() {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            return true;
        }
        if (checkSelfPermission(READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
            return true;
        }
        if (shouldShowRequestPermissionRationale(READ_CONTACTS)) {
            Snackbar.make(mBinding.contentLogin.userName, R.string.permission_rationale, Snackbar.LENGTH_INDEFINITE)
                    .setAction(android.R.string.ok, new OnClickListener() {
                        @Override
                        @TargetApi(Build.VERSION_CODES.M)
                        public void onClick(View v) {
                            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
                        }
                    });
        } else {
            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
        }
        return false;
    }
*/
    /**
     * Callback received when a permissions request has been completed.
     */
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                           @NonNull int[] grantResults) {
        if (requestCode == REQUEST_READ_CONTACTS) {
            if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                populateAutoComplete();
            }
        }
    }


    /**
     * Attempts to sign in or register the account specified by the login form.
     * If there are form errors (invalid email, missing fields, etc.), the
     * errors are presented and no actual login attempt is made.
     */
    private void attemptLogin() {
        /*if (binding.getStatus()!=ReqStatus.ready && binding.getStatus()!= ReqStatus.finish) {
            return;
        }*/

        // Reset errors.
        mBinding.contentLogin.userName.setError(null);
        mBinding.contentLogin.password.setError(null);

        boolean cancel = false;
        View focusView = null;

        // Check for a valid password, if the user entered one.
        if (!TextUtils.isEmpty(mBinding.getAuth().getPassword()) && !isPasswordValid(mBinding.getAuth().getPassword())) {
            mBinding.contentLogin.password.setError(getString(R.string.error_invalid_password));
            focusView = mBinding.contentLogin.password;
            cancel = true;
        }

        // Check for a valid email address.
        if (TextUtils.isEmpty(mBinding.getAuth().getUserName())) {
            mBinding.contentLogin.userName.setError(getString(R.string.error_field_required));
            focusView = mBinding.contentLogin.userName;
            cancel = true;
        } else if (!isEmailValid(mBinding.getAuth().getUserName())) {
            mBinding.contentLogin.userName.setError(getString(R.string.error_invalid_email));
            focusView = mBinding.contentLogin.userName;
            cancel = true;
        }

        if (cancel) {
            // There was an error; don't attempt login and focus the first
            // form field with an error.
            focusView.requestFocus();
        } else {
            // Show a progress spinner, and kick off a background task to
            // perform the user login attempt.
            showProgress(true);
            login();
        }
    }

    private boolean isEmailValid(String email) {
        //TODO: Replace this with your own logic
        return true/*email.contains("@")*/;
    }

    private boolean isPasswordValid(String password) {
        //TODO: Replace this with your own logic
        return password.length() > 4;
    }

    /**
     * Shows the progress UI and hides the login form.
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
    private void showProgress(final boolean show) {
        // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
        // for very easy animations. If available, use these APIs to fade-in
        // the progress spinner.
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
            int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);

           /* mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
            mLoginFormView.animate().setDuration(shortAnimTime).alpha(
                    show ? 0 : 1).setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
                }
            });*/

            /*mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
            mProgressView.animate().setDuration(shortAnimTime).alpha(
                    show ? 1 : 0).setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
                }
            });*/
        } else {
            // The ViewPropertyAnimator APIs are not available, so simply show
            // and hide the relevant UI components.
            //mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
            //mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
        }
    }

/*
    @Override
    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
        return new CursorLoader(this,
                // Retrieve data rows for the device user's 'profile' contact.
                Uri.withAppendedPath(ContactsContract.Profile.CONTENT_URI,
                        ContactsContract.Contacts.Data.CONTENT_DIRECTORY), ProfileQuery.PROJECTION,

                // Select only email addresses.
                ContactsContract.Contacts.Data.MIMETYPE +
                        " = ?", new String[]{ContactsContract.CommonDataKinds.Email
                .CONTENT_ITEM_TYPE},

                // Show primary email addresses first. Note that there won't be
                // a primary email address if the user hasn't specified one.
                ContactsContract.Contacts.Data.IS_PRIMARY + " DESC");
    }

    @Override
    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
        List<String> emails = new ArrayList<>();
        cursor.moveToFirst();
        while (!cursor.isAfterLast()) {
            emails.add(cursor.getString(ProfileQuery.ADDRESS));
            cursor.moveToNext();
        }

        addEmailsToAutoComplete(emails);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> cursorLoader) {

    }
*/

    private void addEmailsToAutoComplete(List<String> emailAddressCollection) {
        //Create adapter to tell the AutoCompleteTextView what to show in its dropdown list.
        ArrayAdapter<String> adapter =
                new ArrayAdapter<>(LoginActivity.this,
                        android.R.layout.simple_dropdown_item_1line, emailAddressCollection);

        mBinding.contentLogin.userName.setAdapter(adapter);
    }


    private interface ProfileQuery {
        String[] PROJECTION = {
                ContactsContract.CommonDataKinds.Email.ADDRESS,
                ContactsContract.CommonDataKinds.Email.IS_PRIMARY,
        };

        int ADDRESS = 0;
        int IS_PRIMARY = 1;
    }


}

